Which known campaigns qualify?
The view needs a stable inclusion rule and a count of excluded, unknown, or retracted records.
Here, participation means publisher-side reward availability and eligible viewing context. It does not mean that StreamStats knows who watched, earned, claimed, or owns a reward.
A future distribution could describe the documented gap between an earning deadline and a claim deadline. It would not say that viewers claimed late, missed a reward, or completed a requirement unless a separately authorized source actually supports that statement.
The view needs a stable inclusion rule and a count of excluded, unknown, or retracted records.
Only stable, reviewed identities may be grouped; label similarity is not enough.
Earning start, earning end, claim end, and first observation answer different questions.
Collection permission does not automatically grant public display or indefinite retention.
Real measurement requires GOV-003 to define permitted Twitch Helix aggregate collection, source attribution, observation windows, retention, corrections, freshness, and safe public thresholds. Until that posture is approved, StreamStats publishes no measured result.